The photo was taken from in
front of the off-side rear wheel, looking
towards the nearside wheel. The front of the vehicle
is to the right.

A

Brake Load
Sensor Valve (LSV)
lever located on to the rear axle. This is the place
where adjustments are made to increase or decrease
braking capacity to the rear wheels

B

Flexible brake hose
down to the axle

C

Steel brake pipe from
valve to flexible hose

D

Brake biasing valve
which will have two steel brake pipes running to it
plus a lever

E

Brake biasing valve
lever (operating rod)

The above shows the position of
a brake load sensor valve (LSV) which is not fitted to vehicles which
have ABS brakes. The purpose of the LSV is to reduce the
braking capacity to the rear axle when there is no load in the
rear of the vehicle. Basically the higher the body, the less
braking capacity is applied to the rear axle.

The reason for fitting the LSV
is to stop the rear wheels locking up when there is no load
over the rear when, so preventing what is in effect a
handbrake turn where the rear of the vehicle flips round on
you.

If the vehicle has not got a
LSV, then it's almost likely to have ABS brakes